1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef LP_RAST_PRIV_H
29 #define LP_RAST_PRIV_H
31 #include "pipe/p_thread.h"
35 #define MAX_THREADS 8 /* XXX probably temporary here */
44 * A tile's color and depth memory.
45 * We can choose whatever layout for the internal tile storage we prefer.
56 * Per-thread rasterization state
58 struct lp_rasterizer_task
60 struct lp_rast_tile tile
; /** Tile color/z/stencil memory */
62 unsigned x
, y
; /**< Pos of this tile in framebuffer, in pixels */
64 /* Pixel blocks produced during rasterization
73 const struct lp_rast_state
*current_state
;
76 struct lp_rasterizer
*rast
;
79 unsigned thread_index
;
81 pipe_semaphore work_ready
;
82 pipe_semaphore work_done
;
87 * This is the state required while rasterizing tiles.
88 * Note that this contains per-thread information too.
89 * The tile size is TILE_SIZE x TILE_SIZE pixels.
93 unsigned width
, height
; /**< Size of framebuffer, in pixels */
96 boolean check_for_clipped_tiles
;
98 /** The incoming queue of filled bins to rasterize */
99 struct lp_bins_queue
*full_bins
;
100 /** The outgoing queue of emptied bins to return to setup modulee */
101 struct lp_bins_queue
*empty_bins
;
103 pipe_mutex get_bin_mutex
;
105 /** The bins currently being rasterized by the threads */
106 struct lp_bins
*curr_bins
;
107 /** Counter to determine when all threads are done with current bin */
108 unsigned release_count
;
112 struct pipe_screen
*screen
;
113 struct pipe_transfer
*cbuf_transfer
;
114 struct pipe_transfer
*zsbuf_transfer
;
119 struct pipe_surface
*cbuf
;
120 struct pipe_surface
*zsbuf
;
122 boolean write_zstencil
;
123 unsigned clear_color
;
124 unsigned clear_depth
;
128 /** A task object for each rasterization thread */
129 struct lp_rasterizer_task tasks
[MAX_THREADS
];
131 unsigned num_threads
;
132 pipe_thread threads
[MAX_THREADS
];
134 struct lp_bins
*bins
;
135 const struct pipe_framebuffer_state
*fb
;
140 void lp_rast_shade_quads( struct lp_rasterizer
*rast
,
141 unsigned thread_index
,
142 const struct lp_rast_shader_inputs
*inputs
,
143 unsigned x
, unsigned y
,